Alert archive / California / Tornado Warnings in 1991
Tornado Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this tornado warning at Mar 25, 1991, 4:29 PM PST for San Diego County, California. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Mar 25, 1991, 4:29 PM PST (00:29 UTC)
- Expired
- Mar 25, 1991, 5:00 PM PST
- In force
- 31 min
- Issued by
- NWS San Diego, CA
- Area
- Whole counties
County San Diego County, CA
The nearest sounding before it
San Diego, CA (KNKX), launched 00:00Z, 0.5 hours before the alert went out and 47 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 25 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 99 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAN 260031 TORSAN CAC073-260100- BULLETIN - EBS ACTIVATION REQUESTED TORNADO AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE SAN DIEGO CA 429 PM PST MON MAR 25 1991 THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A TORNADO AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 500 PM PST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST CALIFORNIA ...NORTHWESTERN SAN DIEGO COUNTY AND FOR MARINE INTERESTS ON THE COASTAL WATERS AROUND... ...OCEANSIDE A WATERSPOUT OCCURRED AT 415 PM PST, MONDAY, MARCH 25, 1991 1.6 KILOMETERS OFFSHORE FROM OCEANSIDE HARBOR. IT WAS OBSERVED BY OCEANSIDE LIFEGUARD. MOVEMENT WAS UNKNOWN. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. SHIGEHARA
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Mar 25, 10:56 AM PST, 5 hours 33 minutes before
CAZALL-260000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN DIEGO CA 1100 AM PST MON MAR 25 1991 ...WINTER STORM WARNING FOR SAN DIEGO MOUNTAINS THROUGH TUESDAY... ...URBAN STREET FLOODING... AN ADDITIONAL FOOT OR TWO FEET OF SNOW ARE EXPECTED IN SAN DIEGO MOUNTAINS TODAY THROUGH WEDNESDAY WITH NEAR BLIZZARD CONDITIONS CREATED BY GUSTY WINDS. GUSTY SOUTH WINDS TO 40 MPH AT TIMES THROUGH THIS PERIOD. THE SNOWELEVEL OF 3500 FEET WILL LOWER TO 2000 FEET TO 1500 FEET TONIGHT THROUGH WEDNESDAY. THE GUSTY WINDS WILL CAUSE DRIFTING AND BLOWING SNOW THROUGH WEDNESDAY. THE COLD TEMPERATURES IN 20S AT NIGHT COMBINED WITH THE STRONG GUSTY WINDS WILL PRODUCE DANGEROUS WIND CHILL FOR ANYONE EXPOSED WITHOUT PROTECTIVE CLOTHING. MOTORISTS OR ANYONE IN THE MOUNTAINS ARE URGED TO BE PREPARED FOR WINTER CONDITIONS AND TO CARRY CHAINS...BLANKETS AND WARM CLOTHING. . HEAVY SHOWERS AT TIMES AND THE SATURATED GROUNDS WILL ENCOURAGE HIGHER RUNOFF LEADING TO URBAN STREET FLOODING PROBLEMS. MOTORISTS ARE URGED TO BE VERY ALERT DURING PERIODS OF HEAVY RAINFALL FOR DANGEROUS DRIVING CONDITIONS. AVOID FLOODED STREETS...UNDERPASSES AND PONDED AREAS BECAUSE IT IS DIFFICULT TO ASSES THE WATER CURRENTS OR DEPTH OF WATER. FURTHERMORE...HIGHER RUNOFF AND SATURATED GROUNDS COULD PRODUCE MUDSLIDES AND EROSION PROBLEMS THROUGH THE DURATIONS OF THIS STORMY PERIOD THROUGH WEDNESDAY. POSSIBLE THUNDERSHOWERS COULD ALSO PRODUCE HAIL A^ND PERSONS SHOULD BE AWARE THAT FUNNEL CLOUDS...WATERSPOUTS AND EVEN A TORNADO IS POSSIBLE FROM THE COLD UNSTALBLE CONDITIONS. IN THE EVENT IT OCCURRS TAKE COVER AND AVOID IF POSSIBLE. SHIGEHARA
Special weather statement, Mar 25, 4:00 PM PST, 29 minutes before
CAZALL-260000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN DIEGO CA 400 PM PST MON MAR 25 1991 ...WINTER STORM WARNING FOR SAN DIEGO MOUNTAINS THROUGH TUESDAY... ...URBAN STREET FLOODING POSSIBLE... AN ADDITIONAL FOOT OR TWO FEET OF SNOW ARE EXPECTED IN SAN DIEGO MOUNTAINS TONIGHT THROUGH WEDNESDAY WITH NEAR BLIZZARD CONDITIONS CREATED BY GUSTY WINDS. GUSTY SOUTH WINDS TO 40 MPH AT TIMES THROUGH THIS PERIOD. THE SNOWELEVEL WILL LOWER TO 2000 FEET BUT STRONG DOWNDRAFTS WILL LOWER THE SNOWLEVEL TO 1500 FEET IN PLACES. THE GUSTY WINDS WILL WILL CREATE DRIFTING AND BLOWING SNOW THROUGH WEDNESDAY. THE COLD AT NIGHT COMBINED WITH THE STRONG GUSTY WINDS WILL PRODUCE DANGEROUS WIND CHILL IN THE TEENS FOR ANYONE EXPOSED WITHOUT PROTECTIVE CLOTHING. PEOPLE TRAVELING IN THE MOUNTAINS ARE URGED TO BE PREPARED FOR WINTER CONDITIONS AND TO CARRY CHAINS...BLANKETS AND WARM CLOTHING. . HEAVY SHOWERS AT TIMES AND THE SATURATED GROUNDS WILL ENCOURAGE HIGHER RUNOFF LEADING TO URBAN STREET FLOODING PROBLEMS. MOTORISTS ARE URGED TO BE VERY ALERT DURING PERIODS OF HEAVY RAINFALL FOR DANGEROUS DRIVING CONDITIONS. AVOID FLOODED STREETS...UNDERPASSES AND PONDED AREAS BECAUSE IT IS DIFFICULT TO ASSES THE WATER CURRENTS OR DEPTH OF WATER. FURTHERMORE...HIGHER RUNOFF AND SATURATED GROUNDS COULD PRODUCE MUDSLIDES AND EROSION PROBLEMS THROUGH THE DURATIONS OF THIS STORMY PERIOD THROUGH WEDNESDAY. STRONG COLD UPPER LEVEL LOW PRESSURE OVER SOUTHERN CALIFORNIA WATERS RESPONSIBLE FOR THE STORMY CONDITIONS THROUGH WEDNESDAY ARE THE TYPE OF CONDITIONS THAT ARE ALSO CONDUSIVE TO THE FORMATION OF FUNNEL CLOUDS ...WATERSPOUTS AND EVEN A TORNADO AND PERSONS SHOULD TAKE COVER IN CASE ANY OF THESE DANGEROUS CONDITIONS OCCUR AND AVOID THEM AND TAKE COVER. DRY WEATHER WILL RETURN THURSDAY AND FRIDAY UNDER DEVELOPING HIGH PRESSURE BUT NIGHTS WILL TURN COLDER. COLDER WEDNESDAY NIGHT AND THURSDAY NIGHT AND GROWERS OF SAN DI[EGO COUNTY ARE ADVISED SOME FROST PROTECTION MAY BECOME NECESSARY AS TEMPERATURES IN COLDEST ORCHARDS FALL INTO THE MIDDLE TO UPPER 20S. SHIGEHARA
Special weather statement, Mar 25, 4:01 PM PST, 28 minutes before
CAZALL-260000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN DIEGO CA 400 PM PST MON MAR 25 1991 ...WINTER STORM WARNING FOR SAN DIEGO MOUNTAINS THROUGH TUESDAY... ...URBAN STREET FLOODING POSSIBLE... AN ADDITIONAL FOOT OR TWO FEET OF SNOW ARE EXPECTED IN SAN DIEGO MOUNTAINS TONIGHT THROUGH WEDNESDAY WITH NEAR BLIZZARD CONDITIONS CREATED BY GUSTY WINDS. GUSTY SOUTH WINDS TO 40 MPH AT TIMES THROUGH THIS PERIOD. THE SNOWELEVEL WILL LOWER TO 2000 FEET BUT STRONG DOWNDRAFTS WILL LOWER THE SNOWLEVEL TO 1500 FEET IN PLACES. THE GUSTY WINDS WILL WILL CREATE DRIFTING AND BLOWING SNOW THROUGH WEDNESDAY. THE COLD AT NIGHT COMBINED WITH THE STRONG GUSTY WINDS WILL PRODUCE DANGEROUS WIND CHILL IN THE TEENS FOR ANYONE EXPOSED WITHOUT PROTECTIVE CLOTHING. PEOPLE TRAVELING IN THE MOUNTAINS ARE URGED TO BE PREPARED FOR WINTER CONDITIONS AND TO CARRY CHAINS...BLANKETS AND WARM CLOTHING. . HEAVY SHOWERS AT TIMES AND THE SATURATED GROUNDS WILL ENCOURAGE HIGHER RUNOFF LEADING TO URBAN STREET FLOODING PROBLEMS. MOTORISTS ARE URGED TO BE VERY ALERT DURING PERIODS OF HEAVY RAINFALL FOR DANGEROUS DRIVING CONDITIONS. AVOID FLOODED STREETS...UNDERPASSES AND PONDED AREAS BECAUSE IT IS DIFFICULT TO ASSES THE WATER CURRENTS OR DEPTH OF WATER. FURTHERMORE...HIGHER RUNOFF AND SATURATED GROUNDS COULD PRODUCE MUDSLIDES AND EROSION PROBLEMS THROUGH THE DURATIONS OF THIS STORMY PERIOD THROUGH WEDNESDAY. STRONG COLD UPPER LEVEL LOW PRESSURE OVER SOUTHERN CALIFORNIA WATERS RESPONSIBLE FOR THE STORMY CONDITIONS THROUGH WEDNESDAY ARE THE TYPE OF CONDITIONS THAT ARE ALSO CONDUSIVE TO THE FORMATION OF FUNNEL CLOUDS ...WATERSPOUTS AND EVEN A TORNADO AND PERSONS SHOULD TAKE COVER IN CASE ANY OF THESE DANGEROUS CONDITIONS OCCUR AND AVOID THEM AND TAKE COVER. DRY WEATHER WILL RETURN THURSDAY AND FRIDAY UNDER DEVELOPING HIGH PRESSURE BUT NIGHTS WILL TURN COLDER. COLDER WEDNESDAY NIGHT AND THURSDAY NIGHT AND GROWERS OF SAN DI\EGO COUNTY ARE ADVISED SOME FROST PROTECTION MAY BECOME NECESSARY AS TEMPERATURES IN COLDEST ORCHARDS FALL INTO THE MIDDLE TO UPPER 20S. THE NEXT STATEMENT WILL BE ISSUED AS WARRANTED. . SHIGEHARA
Nearby
Tornado Warnings in California, 1991Every tornado warning in 1991Tornadoes in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.